S3C2440 GPIO Control

 NAME: u2440mon.c
 DESC: u2440mon entry point,menu,download
 ****************************************************************/
#define GLOBAL_CLK  1
//头文件
#include
#include
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "mmu.h"
#include "profile.h"
#include "memtest.h"
#include "clock.h"

void Isr_Init(void);

//******************************************
//Test function
void test_led(U32 i)
{
  rGPBDAT =~ (1< }

//延时
void delay(U32 i)
{
  U32 del;
  while(i--)
  {
    for(del=0;del<1000000;del++);
  }
}

/****************************************Main function********************************************/
void Main(void)
{

 /******************************************************************************
     Hardware initialization
 **********************************************************************/
    MMU_Init(); //Initialize MMU
    Port_Init(); //Initialize I/O portIsr_Init
    (); //Disable all
    interruptscal_cpu_bus_clk(); //Clock division 1:4:8, FCLK = 400MHZ, HCLK = 100MHZ, PCLK = 50MHZ, UCLK=48MHZ
    Uart_Init( 0,115200 ); //Initialize serial port 0, baud rate 115200
    Uart_Select( 0 ); //Select serial port 0, pass global parametersUart_SendByte
    ('\n');
    Uart_Printf("GT2440 TEST \n");
    Uart_Printf("*******************Init clock :*******************\n\n");
    Uart_Printf("HCLK= %d ,PCLK= %d, FCLK= %d\n\n",HCLK,PCLK,FCLK);
    Uart_Printf("*******************Init uart0 :*******************\n\n");
    Uart_Printf(" Enter= 0 ,RATE= 115200 \n\n");
//---------------------------------------------------------------------------
/********************************************************************************
   User test program
****************************************************************************/

 //GPB5: LED1, GPB6: LED2, GPB7: LED3, GPB8: LED4
 //00: input, 01:
    outputrGPBCON = (0X01<<5*2)+(0X01<<6*2)+(0X01<<7*2)+(0X01<<8*2);
 //GPDAT = 1, output high
    levelrGPBDAT = 0Xff<<5;
 while(1)
 {
      test_led(5); //LED1 is on
      delay(10);
      test_led(6); //LED2 is on
      delay(10);   
      test_led(7); //LED3 is on
      delay(10);
      test_led(8); //LED4 is on
      delay(10);
      test_led(7); //LED7 is on
      delay(10);   
      test_led(6); //LED6 is on
      delay(10);
 }    

}

/**********************Interrupt setting****************************/
void Isr_Init(void)
{
 rINTMOD=0x0; // All=IRQ mode
 rINTMSK=BIT_ALLMSK; // All interrupt is masked.
}